Thingy | utility application , sort of swiss army knife
kandi X-RAY | Thingy Summary
kandi X-RAY | Thingy Summary
An utility application, sort of swiss army knife for my daily tasks.
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QUESTION
i have an error that i just dont find a solution for. I created a little messenger thingy in flutter and have a problem when using a NetworkImage inside one of my chat bubbles.
When i send the image as message, it is displayed without problem in the bubble. Also when i send multiple images, it is no problem and they extend beyond the screen and i can just scroll up and down without any problems.
Though when i reopen the room screen and there are multiple images and they extend over the visible screen i get _CastError (type 'Null' is not a subtype of type 'List' in type cast) from network_image dart file. BUT this only happens after a hot restart. If i just navigate back and then reopen the room screen its also all fine, but as soon as i hot restarted once i always get the error when trying to open a room, which has images extending the visible space.
Iam still kinda new to flutter, so i know my code sucks mostly but this time i just dont even find a "dirty" way to solve it.
Flutter 2.2.0 (beta channel)
Dart 2.13.0
On Android Emulator Pixel 4a API 30
Edit 1: i removed a lot to make it easier to read.
Edit 2: i found it to be somehow connected to using the downloadURL from Firebase Storage. When i replace the url with just some test png url it doesnt seem to be a problem.
...ANSWER
Answered 2021-Jun-14 at 11:07Ok, i kind of found the problem. I took the Firebase servertimestamp as variable for the filename in the Firebase Storage. That of course only resulted in the filename being
FieldValue(Instance of 'MethodChannelFieldValue')
Though i dont really understand why that was a problem, but now with a normal Datetime toString timestamp it all works perfectly fine. Maybe its some special character escaping in the generated downloadURL from Firebase Storage with this kind of filename.
QUESTION
Ok, a rather specific question which requires additional explanation and context.
Context
We are POCing a "try-convert" from a bespoke language to .net core (5 currently) and blazor server. Server because it allows a try-convert scaffolding we can build security concerns round. The details of this are not important. It just explains why we have some constraints which may seem unrealistic under normal circumstances.
I am fully accepting that "no you can't" or even "no you shouldn't" is the likely outcome. We are exploring possibilities.
Question
The concept of a circuit in blazor is a really good fit for the presentation layer. We would like to store information at the scope of the circuit.
The obvious solution is to use a scoped service in the dependency injection container.
E.g. In my Startup.cs I can put
...ANSWER
Answered 2021-Jun-12 at 12:56As far as I understood both your question and the Blazor concepts, the answer to your question is « no ». There is no possibility to retrieve statically the current HTTP context in Blazor. Because you never know if the context is an initial page load or just SignalR communication to update the current page. Here is the manner I save this situation:
Create a cascading parameter that is shared by all razor components
This cascading parameter is a class with many information coming from initial HTTP request, caught in the _Host.cshtml from the httpContextAccessor.HttpContext
This cascading parameter class gets all the methods of my previous static methods.
These methods can use the properties of the cascading parameter: RawUrl, UserAgent, ClientIp, …
This implies hard refactoring work to migrate legacy ASP web sites. But the performances of Blazor are worth it.
QUESTION
I'm new to pydantic...I want to send (via post) multiple json entries. Is this
...ANSWER
Answered 2021-Jun-09 at 06:48You can iterate it via data.__root__
QUESTION
Im trying to write a quicksort
algorithm in C#, and I've been getting System.StackOverflowExceptions
for the last while and can't figure out why.
Here is my Class:
...ANSWER
Answered 2021-Jun-08 at 11:46a stack overflow error usually happens when you have a error in your recursion , ie a function keeps calling itself until there is no room left in the stack to hold all the references,
the only obvious candidate is
QUESTION
While making a small thingy in javascript, I found that I could make comments /like these/
Because stack overflow's code doesn't color them, here's an image:
I haven't found anything about them, and I think they may have an extremely specific name and usage, because in no answer regarding comments I was able to find mentions of it.
For more specifity, I was using google's App Script, but because their documentation doesn't say anything about single slash comments, I doubt it is related to said IDE.
Also, I say it is a comment because when putting it in the middle of my code it acts like one, but the fact it's affected by the return shows it isn't really a comment, and leaves me even more clueless.
Any input or clue to continue searching would be greatly appreciated!
Edit:
Indeed it wasn't a comment, it is instead a weird unused expression, that JS understood as a comment in the specific situation it was in.
Also I'd like to point out the speed of the answerer; I refreshed the page to fix a typo and it was already answered in clear detail, thanks!
Edit 2:
Now knowing that it is an expression, I can see that a few of the things I found when looking for them, indeed mentioned them, for example this answer briefly noted that /[///]/
is an expression, but I confused the meaning of expression as "normal code" instead of the object meant for matching string patterns.
ANSWER
Answered 2021-May-22 at 15:31Single forward slashes delimit regular expressions, eg:
QUESTION
I am using checkbox to show and hide a searchform. When the label is clicked then the checkbox is checked. So I thought I had sorted it all out, some fancy role and aria atributes here and there make it play nice with accessibility.
CSS is doing the magic:
...ANSWER
Answered 2021-May-19 at 07:07For clarity, I assume this is meant to be a fall-back for when JS fails / for edge cases where it is switched off and not a JS free solution.
That distinction is important as if this is meant to be a "no JS" solution all of your role information needs removing.
Best practices with checkboxes as no JS fall-backWhat you should do is start with a checkbox and CSS solution (that works with no JS), then through progressive enhancement, add the role="button"
etc. with JavaScript rather than having it there in the first place.
You then just treat it as a element from that point onwards.
However, the role
needs moving to the not the
, along with all the relevant WAI-ARIA! (see "Focus the checkbox not the label" h2 below)
Also the reason "Enter" does not work is because adding a role
only changes the semantic meaning, it does not add functionality. Checkboxes only work with Space.
So you would need to add this functionality via JavaScript with element.addEventListener('keydown'...
and listening for the "Enter" key (key 13) to change the checked state so that it now behaves like a button.
Finally, when using any checkbox - label "hacks" like this the item that should receive focus should be the checkbox itself not the label.
Some screen reader and browser combinations will not announce the checked state for example if you focus the .
The other thing to consider is voice navigation, I do not know how something like "dragon naturally speaking" would behave with this. But as I do not know I cannot comment in any meaningful way other than an educated guess that this would not be very robust due to experience with Dragon not behaving well with workarounds.
I mean, Dragon even has problems with implicit labels so it shows how careful you sometimes have to be due to the scattered support across assistive tech.
Changing your CSS / HTMLSo you hide the checkbox using a visually-hidden class, but position it in such a way that when it receives focus you can add focus indicators to the label, using something like input[type="checkbox"]:focus ~ label{/*your focus indicators*/}
. You need to move the checkbox and the .page-search
within the
I would also encourage you to use the visually-hidden class I linked as the bootstrap sr-only
class has a few flaws.
Hopefully that makes sense, any questions just ask.
Quick DemoI haven't tidied up any of your role
information etc. in the following demo, all I have done is remove the tabindex="0"
on the label.
The demo is purely to show how you can focus the checkbox and still put the focus indicator on the label.
QUESTION
I am trying to use the GuildMemberAdd thingy, and it's not working. I've tried a lot of stack overflow question answers, none work. Can someone help???
My code right now:
...ANSWER
Answered 2021-Jan-06 at 00:31Do you have intents enabled? You need to check it on.
https://discord.com/developers/applications Go to here and select your bot app and go to the bot tab and scroll down and turn on the intents.
QUESTION
I'm writing code for a toy bomb, that can be planted and defused. But I have a problem. When the time reaches zero the p1 process should terminate the p2 process, but i get an error. I don't get it since p2 process can stop the p1 process just fine. My whole code:
...ANSWER
Answered 2021-May-11 at 14:43You can rely on signals to terminate both processes. Under the hood, the Process.terminate() method delivers a SIGTERM signal to the target process. You need a Queue or Pipe to sent to the processes each other PID. Only the parent (main) process can do so. In your main code before the two processes create a pipe.
QUESTION
Title. It just doesn't recognize it. For example, I'm trying to make a discord bot with discord.py. I do the pip install thingy, and it just spits this out when I try to run my file:
...ANSWER
Answered 2021-May-09 at 21:58There are many possible reasons for this error. You might have multiple versions of Python running on your machine, so you could have installed the module in a version of Python that your code is not using.
Make sure you're using the write version of Python as your interpreter.
You could also try installing the module directly in whatever venv you're using by typing this command into the terminal in the same folder python3.9 -m pip install discord
. Replace python3.9
with whatever version of Python you're using.
QUESTION
My friend and I are trying to code the "21" game into Python, where you play against a random thingy and you take in turns adding numbers (from 1-4) to a score and if its 21 or above when its your turn, you lose. but we can't figure out how to make it detect who's turn it was when it reaches 21
Here's my code so far:
...ANSWER
Answered 2021-May-09 at 14:45First your code does not detect when the score is 21, because if statement is not inside while loop and because you are comparing carryOn with False, but not setting it to False. Also if statement should check if counter is more or equal than 21, because you can jump over it (for example score was 20 and then 24).
And you need to check counter after each turn, not after every two turns, because game might end after user's turn. To end loop in the middle you can use break or continue. I prefer continue, so it ends up like this
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